CN105736331A - Pressure stabilizing pump - Google Patents

Abstract

The invention provides a pressure stabilizing pump. The pressure stabilizing pump comprises a direct-current motor, a driving swash plate, a swash plate piston, a membrane, a pump body base, a water inlet/outlet valve body and a pump body assembly. The membrane, the swash plate piston and the driving swash plate are assembled on the direct-current motor through the pump body base. The water inlet/outlet valve body is assembled on the pump body base and communicates with the pump body assembly. Three groove cavities are formed in the end face of one side of the water inlet/outlet valve body, and three sealing ribbed rings are arranged on the peripheries of the three groove cavity correspondingly, so that the groove cavities are matched with the membrane to form three independent airtight cavities. The water inlet/outlet valve body is provided with water inlet channels and water outlet channels located in the groove cavities, and water inlet valve bodies and water outlet valve bodies are arranged on the water inlet channels and the water outlet channels correspondingly. Each water inlet valve body and each water outlet valve body are each of a one-way valve structure provided with a check head. According to the pressure stabilizing pump, the problem that leakage occurs after the pressure stabilizing pump is stopped is solved; and meanwhile, the volume of the airtight cavities is increased, and accordingly the working efficiency of the pressure stabilizing pump is improved.

Description

Stabilized pressure pump

Technical field

The invention belongs to flow pump technical field, be specifically related to a kind of stabilized pressure pump.

Background technology

Along with the lifting of people's living standard, the quality requirements of drinking water is also improved by people therewith, and more and more family selection Household water purifiers are drunk after tap water is processed.Reverse osmosis stabilized pressure pump is the core component of Hyperfilevation water purifier, provides stable high pressure current for water purifier.

For reverse osmosis stabilized pressure pump, its Inlet and outlet water valve body of the stabilized pressure pump of traditional structure all adopt the form of diaphragm to complete the check valve on stabilized pressure pump valve body.It is appreciated that the one-way valve structures of patching can realize normally realizing its function when stabilized pressure pump normal operation.But, when quitting work when stabilized pressure pump, owing to having lacked the power that motor provides, the check valve of patching cannot keep tight closure state, such that stabilized pressure pump exists backflow phenomenon after quitting work, and then affect the service life of the internal duct of water purifier.

So, it is provided that the stabilized pressure pump of a kind of brand new, just it is particularly important.

Summary of the invention

It is an object of the invention to provide a kind of stabilized pressure pump for solving above-mentioned technical problem.

Specifically, a kind of stabilized pressure pump provided by the present invention, including direct current generator, drive swash plate, swash plate piston, diaphragm, pump housing seat, Inlet and outlet water valve body and pump assembly；Described pump housing seat is by diaphragm, swash plate piston and drives swash plate to be assemblied on direct current generator, and described Inlet and outlet water valve body is assemblied on pump housing seat, and is connected with pump assembly；One side end face of described Inlet and outlet water valve body offers three vallecular cavities, and is respectively provided with a sealing rib ring in the periphery of each vallecular cavity, to coordinate with diaphragm and to be collectively forming three independent airtight die cavities；Described Inlet and outlet water valve body offers intake tunnel and exhalant canal respectively on each vallecular cavity, and is correspondingly arranged thereon into water valve body and water outlet valve body；Wherein, each water inlet valve body all includes into water non-return head, water inlet non-return head spring and water inlet non-return head spring stop, and described water inlet only passes back through and is inlaid in the intake tunnel of correspondence into water non-return head spring, and carries out spacing with water inlet non-return head spring stop；Each water outlet valve body all includes water outlet non-return head, water outlet non-return head spring and water outlet non-return head spring base, and described water outlet only passes back through water outlet non-return head spring and is resisted against on the exhalant canal of correspondence, and carries out spacing with water outlet non-return head spring base.

Preferred version as the present invention, described diaphragm includes the diaphragm body in triangular shape, one side end face of described diaphragm body is provided with three diaphragm mobiles, the end face of opposite side caves inward relative to this diaphragm body and forms three independent cavitys, described diaphragm body offers seal groove circle accordingly in the periphery of each cavity, and three cavitys on described diaphragm body and seal groove circle and three vallecular cavities on Inlet and outlet water valve body and seal rib ring and coordinate and be collectively forming three independent airtight die cavities；Three described diaphragm mobiles are respectively correspondingly arranged in this diaphragm body three cavity positions place.

As the preferred version of the present invention, described diaphragm mobile is arranged in correspondence with on diaphragm body the middle part of cavity, and stretches out relative to cavity part corresponding on this diaphragm body, and the length of this extension is more than the degree of depth of described cavity.

Preferred version as the present invention, described diaphragm mobile includes deviating from first that cavity is arranged and second that is located in cavity, wherein said first side end at away from membrane body is provided with back-off and hooks, the external diameter of described second external diameter more than described first.

As the preferred version of the present invention, described diaphragm body arranges a seal bead in the periphery of three seal groove circles, and described seal bead has covered second relative to the projection of diaphragm mobile.

As the preferred version of the present invention, described intake tunnel is arranged on the periphery of exhalant canal, and this intake tunnel is protruding relative to this inlet/outlet valve body portion.

As the preferred version of the present invention, the medial wall of described intake tunnel is provided with a step, and described water inlet non-return head is connected on the step of this intake tunnel, so that intake tunnel is blocked.

As the preferred version of the present invention, one end of described water inlet non-return head spring is socketed on water non-return head, and the other end leans with water inlet non-return head spring stop, and the outer direction away from described water inlet non-return head without leave of this water inlet non-return head spring is gradually increased.

As the preferred version of the present invention, described water outlet non-return head spring base offers stepped hole, and described water outlet non-return head spring is embedded in the stepped hole of this water outlet non-return head spring base, and lean with water outlet non-return head.

As the preferred version of the present invention, described Inlet and outlet water valve body being provided with a spacer ring, to be surrounded by three exhalant canals, and available its assembles with pump assembly；Three described water outlet non-return head spring bases are set to integral structure, are defined as water outlet non-return first speed plate, and this water outlet non-return first speed plate is inlaid on spacer ring.

As the preferred version of the present invention, three described water outlet non-return head spring bases are set to integral structure, are defined as water outlet non-return first speed plate, and this water outlet non-return first speed plate is inlaid on spacer ring.

Due to the utilization of technique scheme, the present invention compared with prior art has the advantage that

The stabilized pressure pump of the present invention; by taking the one-way valve structures of non-return head; and this structure is mainly made up of a non-return head and a non-return head spring; so this stabilized pressure pump is when idle state; Inlet and outlet water passage is in the state of blocking all the time by its non-return head under the effect of non-return head spring; this ensures that there the sealing of the enterprising exhalant canal of Inlet and outlet water valve body, that is solve the leakage problems that stabilized pressure pump exists after a shutdown；Increase the volume of airtight die cavity simultaneously, and then improve the work efficiency of this stabilized pressure pump.

Accompanying drawing explanation

The exploded view of the stabilized pressure pump that Fig. 1 provides for present pre-ferred embodiments.

Fig. 2 is the structural representation of swash plate piston in the present invention.

Fig. 3 is the structural representation of diaphragm in the present invention.

Fig. 4 is the B-B sectional view of Fig. 3.

Fig. 5 is the structural representation of Inlet and outlet water valve body in the present invention.

Fig. 6 is the structural representation at another visual angle of Inlet and outlet water valve body in the present invention.

Fig. 7 is the A-A sectional view of Fig. 6.

Fig. 8 is the structural representation of middle pump body assembly of the present invention.

Fig. 9 is the structural representation of middle pump body assembly of the present invention.

Figure 10 is the non-return head installation diagram with turnover non-return head spring (water outlet non-return head and water outlet non-return head spring) of intaking in the present invention.

Figure 11 goes out the structural representation of water state for the stabilized pressure pump that present pre-ferred embodiments provides.

The structural representation of the stabilized pressure pump water inlet state that Figure 12 provides for present pre-ferred embodiments.

Detailed description of the invention

For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with detailed description of the invention and with reference to accompanying drawing, the present invention is described in more detail.It should be understood that these descriptions are illustrative of, and it is not intended to limit the scope of the present invention.Additionally, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring idea of the invention.

Refer to Fig. 1-Figure 12, the stabilized pressure pump 10 that present pre-ferred embodiments provides, including direct current generator 100, drive swash plate 200, swash plate piston 300, diaphragm 400, pump housing seat 500, Inlet and outlet water valve body 600 and pump assembly 700, wherein said pump housing seat 500 is by diaphragm 400, swash plate piston 300 and drives swash plate 200 extruding to be assemblied on direct current generator 100, described Inlet and outlet water valve body 600 is assemblied on pump housing seat 500, and match with the diaphragm 400 in pump housing seat 500, to realize the Inlet and outlet water of pump assembly 700 is controlled with this diaphragm 400.

Wherein, described driving swash plate 200 is socketed in the rotating shaft 110 of direct current generator 100 in keyway mode, and the end face being connected on direct current generator 100 in this driving swash plate 200 is set to inclined-plane；Described swash plate piston 300 is socketed on driving swash plate 200, and a rolling bearing 230 is set between this swash plate piston 300 and driving swash plate 200, when so this direct current generator 100 works, under the transmission driving swash plate 200, what can be converted on swash plate piston 300 by the circular motion of rotating shaft 110 on direct current generator 100 three piston heads 310 pumps.

It is appreciated that, described diaphragm 400 is applied in this stabilized pressure pump 10, it is be securely fitted on three piston heads 310 on swash plate piston 300, and cooperatively form the airtight die cavity of relatively independent three with Inlet and outlet water valve body 600, so this stabilized pressure pump 10 is operationally, can by the volume of the airtight die cavity controlling three that pumps of diaphragm 400, and then realize the Inlet and outlet water of Inlet and outlet water valve body 600 is controlled.

Specifically, described diaphragm 400 includes the diaphragm body 410 in triangular shape, described diaphragm body 410 is being provided with on a side end face of swash plate piston 300 and can carry out, relative to this diaphragm body 410, three diaphragm mobiles 411 pumping, with three piston heads 310 on corresponding swash plate piston 300, and deviating from swash plate piston 300 1 side end face sunken inside and forming three independent cavitys 412；And described diaphragm body 410 offers seal groove circle 413 accordingly in the periphery of each cavity 412, to cooperatively form three independent airtight die cavities with Inlet and outlet water valve body 600；It is appreciated that described three diaphragm mobile 411 is respectively correspondingly arranged in this diaphragm body 410 three cavity 412 positions place, is specifically located at the middle part of respective cavities 412.In order to improve the intensity of variation to hermetic type intracavity volume that pumps of diaphragm mobile 411, the diaphragm mobile 411 of the present embodiment stretches out relative to cavity 412 part corresponding on this diaphragm body 410, and the length of this extension is more than the degree of depth of described cavity 412.

In the present embodiment, it is carry out assembly connection with the form of buckle between the piston head 310 on described diaphragm mobile 411 and swash plate piston 300.Specifically, this diaphragm mobile 411 includes first 4111 that carries out assembling with swash plate piston 300 upper piston head 310, it is located at second 4112 in cavity 412, wherein said first 4111 side end at away from membrane body 410 is provided with back-off and hooks 4113, so that can successfully run through the through hole on piston head 310 for first 4111, and spacing firmly by first 4111 institute.Second 4112 external diameter of described diaphragm mobile 411 external diameter more than first 4111.

It is appreciated that the diaphragm of the present embodiment takes full advantage of this diaphragm 400 matter material softness, there is certain elastic material characteristics, the assembling between this diaphragm 400 and swash plate piston 300 can be conveniently realized, and compared to existing technology, not only assemble up simple and convenient, and assembling parts are reduced the number of.

As from the foregoing, described Inlet and outlet water valve body 600 is applied in this stabilized pressure pump 10, it is match with pump assembly 700 on the one hand, is specifically connected with the Inlet and outlet water passage on pump assembly 700, so that the water on pump assembly 700 flows through this Inlet and outlet water valve body 600 when this stabilized pressure pump 10 works；It is match with diaphragm 400 on the other hand, to realize with this diaphragm 400, the discharge in this Inlet and outlet water valve body 600 being controlled.

Specifically, described Inlet and outlet water valve body 600 is offering three vallecular cavities 610 on a side end face of diaphragm 400, and it is respectively provided with a sealing rib ring 620 in the periphery of each vallecular cavity 610, so after Inlet and outlet water valve body 600 and diaphragm 400 being assembled, three vallecular cavities 610 and three sealing rib rings 620 on this Inlet and outlet water valve body 600 just to coordinate with three cavitys 412 on diaphragm 400 and seal groove circle 413 and can be collectively forming three independent airtight die cavities.It is appreciated that, described Inlet and outlet water valve body 600 offers intake tunnel 601 and exhalant canal 602 respectively on each vallecular cavity 610, and it is correspondingly arranged into water valve body 630 and water outlet valve body 640 thereon, to realize the discharge on intake tunnel 601 and exhalant canal 602 is controlled.In the present embodiment, three described intake tunnels 601 are arranged on the periphery of three exhalant canals 602, and this intake tunnel 601 is protruding relative to this Inlet and outlet water valve body 600 part, and three corresponding water outlet valve bodies 640 are surrounded towards pump assembly 700 1 side end face arranges a spacer ring 650 at this Inlet and outlet water valve body 600, and when pump assembly 700 assembles with Inlet and outlet water valve body 600, Inlet and outlet water passage in pump assembly 700 can be entered isolation by its spacer ring 650, in order to improve its sealing, the present embodiment can be embedded in a sealing ring 651 on spacer ring 650.

Wherein, described water inlet valve body 630 includes into water non-return head 631, water inlet non-return head spring 632 and water inlet non-return head spring stop 633, described water inlet non-return head 631 is inlaid in the intake tunnel 601 of correspondence by non-return head spring 632 of intaking, and carries out spacing with water inlet non-return head spring stop 633.In the present embodiment, one end of described water inlet non-return head spring 632 is socketed on water non-return head 631, the other end leans with water inlet non-return head spring stop 633, and the outer direction away from described water inlet non-return head 631 without leave of this water inlet non-return head spring 632 is gradually increased.Specifically, the medial wall of the intake tunnel 601 of described Inlet and outlet water valve body 600 is provided with a step 6011, and described water inlet non-return head 631 is connected on the step 6011 of this intake tunnel 601, so that intake tunnel 601 to be blocked.When so the diaphragm mobile 411 in this diaphragm 400 down moves under the driving of the piston head 310 of swash plate piston 300, the airtight die cavity volume that this Inlet and outlet water valve body 600 and diaphragm 400 are formed will strengthen, and produce instantaneous vacuum, corresponding water inlet non-return head 631 will compress water inlet non-return head spring 632 and move down, to be opened by the intake tunnel that this water inlet non-return head 631 blocks, that is achieve the water inlet operation of this Inlet and outlet water valve body 600.

Described water outlet valve body 640 includes water outlet non-return head 641, water outlet non-return head spring 642 and water outlet non-return head spring base, due to water outlet valve body 640 contiguous setting on this Inlet and outlet water valve body 600, so three water outlet non-return head spring bases can be set to integral structure, it is defined as water outlet non-return head spring stop 643, and this water outlet non-return head spring stop 643 is inlaid on spacer ring 650.Specifically, described water outlet non-return head 641 is resisted against on the exhalant canal 602 of correspondence by water outlet non-return head spring 642, and carries out spacing with water outlet non-return head spring base.It is appreciated that, described water outlet non-return head spring base offers the through hole for water outlet, in the present embodiment, described water outlet non-return head spring base offers stepped hole, and described water outlet non-return head spring 642 is embedded in the stepped hole of this water outlet non-return head spring base, and lean with water outlet non-return head 641.When so the diaphragm mobile 411 in this diaphragm 400 up moves under the driving of the piston head 310 of swash plate piston 300, the airtight die cavity volume that this Inlet and outlet water valve body 600 and diaphragm 400 are formed will reduce, produce instantaneous high pressure, corresponding water outlet non-return head 641 will compress water outlet non-return head spring 642 and up move, with by and the exhalant canal blocked by this water outlet non-return head 641 is opened, and discharged by the stepped hole on water outlet non-return head spring base, that is achieve this Inlet and outlet water valve body 600 and will accumulate in that the turnover of hermetic type intracavity water is outer arranges operation.

It is appreciated that, due to the water inlet non-return head 631 in the present embodiment and water outlet non-return head 641 be reverse be assemblied in intake tunnel 601 with on exhalant canal 602, so this Inlet and outlet water valve body 600 is in the process of water inlet, exhalant canal is in the state of blocking by its water outlet non-return head 641 all the time, and when this Inlet and outlet water valve body 600 is in the process of water outlet, intake tunnel 601 is in the state of blocking by its water inlet non-return head 631 all the time.

Described pump assembly 700 includes the pump housing 710, is located at the pump housing water inlet 711 on the pump housing 710 and pump housing outlet 712.It is appreciated that, described pump assembly 700 is further fixed on a pressure maintaining valve 720 by fixing bolt 721, in case the water chamber too high pressure that this pump assembly 700 is connected with the exhalant canal 602 on Inlet and outlet water valve body 600, in the present embodiment, described pressure maintaining valve 720 is also adopted by the structure of non-return head and non-return head spring.

In the present embodiment, the described pump housing 710 is being provided with valve seal muscle 713 towards the side of Inlet and outlet water valve body 600, to match with the spacer ring 650 on Inlet and outlet water valve body 600, it is achieved to going out water-stop after this pump housing 710 and Inlet and outlet water valve body 600 assembling.

Preferred version as the present embodiment, the present embodiment carries out being additionally provided with diaphragm seal muscle 714 on the end face that assembles at the pump housing 710 and Inlet and outlet water valve body 600 and diaphragm 400, and when this pump housing 710, Inlet and outlet water valve body 600 and diaphragm 400 assemble, sealing rib ring 620 on this diaphragm 400 is compressed between the diaphragm seal muscle 714 of Inlet and outlet water valve body 600 and this pump housing 710, and then achieves the sealing between three.

To sum up; the stabilized pressure pump of the present invention; by taking the one-way valve structures of non-return head; and this structure is mainly made up of a non-return head and a non-return head spring; so this stabilized pressure pump is when idle state; Inlet and outlet water passage is in the state of blocking all the time by its non-return head under the effect of non-return head spring, this ensures that theres the sealing of the enterprising exhalant canal of Inlet and outlet water valve body, that is solves the leakage problems that stabilized pressure pump exists after a shutdown；Increase the volume of airtight die cavity simultaneously, and then improve the work efficiency of this stabilized pressure pump.

The foregoing is only presently preferred embodiments of the present invention, be not limited to the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., all should include within the scope of protection of the invention.

Claims (10)

1. a stabilized pressure pump, it is characterised in that: include direct current generator, drive swash plate, swash plate piston, diaphragm, pump housing seat, Inlet and outlet water valve body and pump assembly；Described pump housing seat is by diaphragm, swash plate piston and drives swash plate to be assemblied on direct current generator, and described Inlet and outlet water valve body is assemblied on pump housing seat, and is connected with pump assembly；One side end face of described Inlet and outlet water valve body offers three vallecular cavities, and is respectively provided with a sealing rib ring in the periphery of each vallecular cavity, to coordinate with diaphragm and to be collectively forming three independent airtight die cavities；Described Inlet and outlet water valve body offers intake tunnel and exhalant canal respectively on each vallecular cavity, and is correspondingly arranged thereon into water valve body and water outlet valve body；Wherein, each water inlet valve body all includes into water non-return head, water inlet non-return head spring and water inlet non-return head spring stop, and described water inlet only passes back through and is inlaid in the intake tunnel of correspondence into water non-return head spring, and carries out spacing with water inlet non-return head spring stop；Each water outlet valve body all includes water outlet non-return head, water outlet non-return head spring and water outlet non-return head spring base, and described water outlet only passes back through water outlet non-return head spring and is resisted against on the exhalant canal of correspondence, and carries out spacing with water outlet non-return head spring base.

2. stabilized pressure pump according to claim 1, it is characterized in that: described diaphragm includes the diaphragm body in triangular shape, one side end face of described diaphragm body is provided with three diaphragm mobiles, the end face of opposite side caves inward relative to this diaphragm body and forms three independent cavitys, described diaphragm body offers seal groove circle accordingly in the periphery of each cavity, and three cavitys on described diaphragm body and seal groove circle and three vallecular cavities on Inlet and outlet water valve body and seal rib ring and coordinate and be collectively forming three independent airtight die cavities；Three described diaphragm mobiles are respectively correspondingly arranged in this diaphragm body three cavity positions place.

3. stabilized pressure pump according to claim 2, it is characterized in that: described diaphragm mobile is arranged in correspondence with on diaphragm body the middle part of cavity, and stretch out relative to cavity part corresponding on this diaphragm body, and the length of this extension is more than the degree of depth of described cavity.

4. stabilized pressure pump according to claim 3, it is characterized in that: described diaphragm mobile includes deviating from first that cavity is arranged and second that is located in cavity, wherein said first side end at away from membrane body is provided with back-off and hooks, the external diameter of described second external diameter more than described first.

5. stabilized pressure pump according to claim 4, it is characterised in that: described diaphragm body arranges a seal bead in the periphery of three seal groove circles, and described seal bead has covered second relative to the projection of diaphragm mobile.

6. stabilized pressure pump according to claim 1, it is characterised in that: described intake tunnel is arranged on the periphery of exhalant canal, and this intake tunnel is protruding relative to this inlet/outlet valve body portion.

7. stabilized pressure pump according to claim 6, it is characterised in that: the medial wall of described intake tunnel is provided with a step, and described water inlet non-return head is connected on the step of this intake tunnel, so that intake tunnel is blocked.

8. stabilized pressure pump according to claim 7, it is characterized in that: one end of described water inlet non-return head spring is socketed on water non-return head, the other end leans with water inlet non-return head spring stop, and the outer direction away from described water inlet non-return head without leave of this water inlet non-return head spring is gradually increased.

9. stabilized pressure pump according to claim 8, it is characterised in that: described water outlet non-return head spring base offers stepped hole, and described water outlet non-return head spring is embedded in the stepped hole of this water outlet non-return head spring base, and lean with water outlet non-return head.

10. stabilized pressure pump according to claim 9, it is characterised in that: being provided with a spacer ring on described Inlet and outlet water valve body, to be surrounded by three exhalant canals, and available its assembles with pump assembly；Three described water outlet non-return head spring bases are set to integral structure, are defined as water outlet non-return first speed plate, and this water outlet non-return first speed plate is inlaid on spacer ring.